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groove marking dia
25 depth 0.05 maxi
desired r
other possible solutions
inspection side for
support piece in A and
reported corners
filled corners
corner
brazing in the
joint
exclusively
in Cu.Cr
Cracks
Remarks
Application zone of the tolerances +- 0.11
on the scale of 8.4
misalignment by
+-0.2
Note: 1.The mark L1 which precedes the tolerance dimensions
refer to the functional test 443900A2
2. No ray or mark of tool after bending in the zone which include
the interior of the side having 30
3. Process condition for heat treatment of supports/ contacts to
be referred from test certificates received from manufacturer
piece
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das 40 .5rppo.t, et clsrns
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JOus en5emDte
EI{TRAL PLANS
vA [t)REurL
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1985
DOSSIER
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Modificarion Dato Emettout
Matiie :
, Voir tableaur
.t
Proteclion de surtrca : -
'fQhaclaee.,-. i-l
Invest!:
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Etabla
par:;
VAYN6
V6rifi6 par ;Dat€
: I Ech€rro
:
t't. 7.
72 [2
r L**=
Glrdtcj?:|€€':i \-
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Materials
support
disk/Pastille
Materials
Mounting
method
State of the
material
when
delivering.
Thermal treatment
during mounting
Final Characteristics
drawing
no.358051
UN2Be
u: copper
n: nickel
Be:
beryllrum
UN2Be
drawing
no.358047
AgCdo
drawing
no.358025
AgCdo
Brazing HF
Tempered cold-
worked 1/4 hardness
100.13- HV30
Resistivity 5to
8x10-8 m2/m max
or
Brazing by
resistance
idem
Nitrogen tempering
R for 1h at 475-4800
idem
idem
Hardness 205 +-35 HV30
Resistivity
4to 10-8 m2/m maxi
Sub -Assembly
putting the supplier identification mark on the back
of the support and in the axis or bolt of the disk.
(no protusion allowed)
Contact disks : Cadmium Oxide silver
co-
precipitated
or diffused
according to the following
specification QF 2805
Note S.No 3 added
material UK3Be replaced by UN2Be
Mark added in groove depth 0,05max
Modification during coding or identification
Modification during coding or identification
diminished disk thickness 1.75 to 1.7 +-0.05
Updating
added control dimension 1.04 +-0.15
(this plan becomes sub-assembly: supression of the support material
chromium copper. 900angle +- 10
Suppressed dimension 7 to 15
Added TT in the 2nd case of assembling by electrical welding
Commencing Ev7 0-> Ind A
Index
Modification
Note number
Date
emetteur
Material : See table Weight Thermal treatment Surface protection
tumbling
Mobile Power contact
Contactors
done by verified by Date Scale Format